html, body {
    margin: 0;
    padding: 0;
}

.vvf-feed {
    height: 100vh;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    background: #000;
}

.vvf-item {
    position: relative;
    height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    overflow: hidden;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vvf-media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vvf-youtube-player,
.vvf-html5-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #000;
}

.vvf-html5-video {
    display: block;
}

.vvf-overlay {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 28px;
    z-index: 3;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
    max-width: 700px;
}

.vvf-title {
    margin: 0 0 10px;
    font-size: 28px;
    line-height: 1.2;
    color: #fff;
}

.vvf-excerpt {
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 14px;
    color: #f2f2f2;
    max-width: 520px;
}

.vvf-link {
    display: inline-block;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    text-decoration: none;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.vvf-link:hover {
    color: #fff;
    opacity: 0.9;
}

.vvf-empty {
    padding: 30px;
    text-align: center;
}

.vvf-single-post-video-wrap {
    width: 100%;
    margin: 0 0 24px 0;
}

.vvf-single-video-box {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.vvf-single-video-box .vvf-youtube-player,
.vvf-single-video-box .vvf-html5-video {
    width: 100%;
    aspect-ratio: 9 / 16;
    height: auto;
    min-height: 500px;
}

@media (min-width: 768px) {
    .vvf-youtube-player,
    .vvf-html5-video {
        width: 420px;
        max-width: 100%;
        height: 100vh;
    }
}